ACI/CAST
GRADE		 CAST ASTM CAST EN/DIN CAST UNS WROUGHT
UNS		 WROUGHT
GRADE
CE3MN, 5A A890, A995 1.4469 GX2CrNiMoN26-7-4 J93404 S39275 F53
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C Cr Ni Mo Other PREn
<0.03 25.0 7.0 4.2 0.25N >40
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] Rm [MPa] A % Hardness [HB] Impact [J]
515 690 18 200-280 130
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure ρ [kg/dm3] α [μm/m∙K] (20 – 100 °C) K [W/m∙K] Cp [J/kg∙K] Melting ΔT [°C]
Austenoferritic 7.75 13 15 500 –
WORKING CONDITIONS / FABRICATION
Heat Treatment Weldability Machinability [100 = CF8M] Patternmaker’s Shrinkage [%]
Solution Annealing Excellent – 2.3
Categoria: Sandvik
ACI/CAST
GRADE		 CE3MN, 5A
CAST ASTM A890, A995
CAST EN/DIN 1.4469 GX2CrNiMoN26-7-4
CAST UNS J93404
WROUGHT
UNS		 S39275
WROUGHT
GRADE		 F53
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C <0.03
Cr 25.0
Ni 7.0
Mo 4.2
Other 0.25N
PREn >40
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] 515
Rm [MPa] 690
A % 18
Hardness [HB] 200-280
Impact [J] 130
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure Austenoferritic
ρ [kg/dm3] 7.75
α [μm/m∙K] (20 – 100 °C) 13
K [W/m∙K] 15
Cp [J/kg∙K] 500
Melting ΔT [°C] –
WORKING CONDITIONS / FABRICATION
Heat Treatment Solution Annealing
Weldability Excellent
Machining –
Patternmaker’s Shrinkage [%] 2.3

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